Renamed remotely
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6009 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
1383
MdeModulePkg/Universal/DebugSupportDxe/Ipf/AsmFuncs.s
Normal file
1383
MdeModulePkg/Universal/DebugSupportDxe/Ipf/AsmFuncs.s
Normal file
File diff suppressed because it is too large
Load Diff
80
MdeModulePkg/Universal/DebugSupportDxe/Ipf/Ds64Macros.i
Normal file
80
MdeModulePkg/Universal/DebugSupportDxe/Ipf/Ds64Macros.i
Normal file
@@ -0,0 +1,80 @@
|
||||
/// @file
|
||||
/// This is set of macros used in calculating offsets in the IVT.
|
||||
///
|
||||
/// Copyright (c) 2006, Intel Corporation
|
||||
/// All rights reserved. This program and the accompanying materials
|
||||
/// are licensed and made available under the terms and conditions of the BSD License
|
||||
/// which accompanies this distribution. The full text of the license may be found at
|
||||
/// http://opensource.org/licenses/bsd-license.php
|
||||
///
|
||||
/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
///
|
||||
/// Module Name: Ds64Macros.i
|
||||
///
|
||||
///
|
||||
|
||||
|
||||
#define EXCPT_EXTERNAL_INTERRUPT 12
|
||||
#define MASK_0_4 0x000000000000001F // mask bits 0 through 4
|
||||
#define SLOT0 0
|
||||
#define SLOT1 1
|
||||
#define SLOT2 2
|
||||
|
||||
#define PSR_DT 17
|
||||
#define PSR_TB 26
|
||||
#define PSR_RT 27
|
||||
#define PSR_IS 34
|
||||
#define PSR_IT 36
|
||||
#define PSR_IC 13
|
||||
#define PSR_I 14
|
||||
#define PSR_SS 40
|
||||
#define PSR_BN 44
|
||||
#define PSR_RI_MASK 0x60000000000
|
||||
|
||||
#define EXCPT_EXTERNAL_INTERRUPT 12
|
||||
|
||||
#define SCRATCH_REG0 r23
|
||||
#define SCRATCH_REG1 r24
|
||||
#define SCRATCH_REG2 r25
|
||||
#define SCRATCH_REG3 r26
|
||||
#define SCRATCH_REG4 r27
|
||||
#define SCRATCH_REG5 r28
|
||||
#define SCRATCH_REG6 r29
|
||||
#define PR_REG r30
|
||||
#define B0_REG r31
|
||||
|
||||
|
||||
// EXT_INT_OFFSET is the offset of the external interrupt entry in the IVT
|
||||
#define EXT_INT_ENTRY_OFFSET 0x03000
|
||||
|
||||
// PATCH_ENTRY_OFFSET is the offset into the IVT of the entry that is coopted (stolen)
|
||||
// for use by the handler. The entire entry is restored when the handler is
|
||||
// unloaded.
|
||||
#define PATCH_ENTRY_OFFSET 0x03400
|
||||
|
||||
// PATCH_BUNDLES is the number of bundles actually in the patch
|
||||
#define NUM_PATCH_BUNDLES ((EndPatchCode - PatchCode) / 0x10)
|
||||
|
||||
// A hard coded branch back into the external interrupt IVT entry's second bundle
|
||||
// is put here, just in case the original bundle zero did not have a branch
|
||||
// This is the last bundle in the reserved IVT entry
|
||||
#define FAILSAFE_BRANCH_OFFSET (PATCH_ENTRY_OFFSET + 0x400 - 0x10)
|
||||
|
||||
// the original external interrupt IVT entry bundle zero is copied and relocated
|
||||
// here... also in the reserved IVT entry
|
||||
// This is the second-to-last bundle in the reserved IVT entry
|
||||
#define RELOCATED_EXT_INT (PATCH_ENTRY_OFFSET + 0x400 - 0x20)
|
||||
|
||||
// The patch is actually stored at the end of IVT:PATCH_ENTRY. The PATCH_OFFSET
|
||||
// is the offset into IVT where the patch is actually stored. It is carefully
|
||||
// located so that when we run out of patch code, the next bundle is the
|
||||
// relocated bundle 0 from the original external interrupt handler
|
||||
#define PATCH_OFFSET (PATCH_ENTRY_OFFSET + 0x400 - ( EndPatchCode - PatchCode ) - 0x20)
|
||||
|
||||
#define PATCH_RETURN_OFFSET (PATCH_ENTRY_OFFSET + 0x400 - ( EndPatchCode - PatchCodeRet ) - 0x20)
|
||||
|
||||
// PATCH_BRANCH is used only in the new bundle that is placed at the beginning
|
||||
// of the external interrupt IVT entry.
|
||||
#define PATCH_BRANCH (PATCH_OFFSET - EXT_INT_ENTRY_OFFSET)
|
||||
|
29
MdeModulePkg/Universal/DebugSupportDxe/Ipf/common.i
Normal file
29
MdeModulePkg/Universal/DebugSupportDxe/Ipf/common.i
Normal file
@@ -0,0 +1,29 @@
|
||||
/// @file
|
||||
/// This is set of useful macros.
|
||||
///
|
||||
/// Copyright (c) 2006, Intel Corporation
|
||||
/// All rights reserved. This program and the accompanying materials
|
||||
/// are licensed and made available under the terms and conditions of the BSD License
|
||||
/// which accompanies this distribution. The full text of the license may be found at
|
||||
/// http://opensource.org/licenses/bsd-license.php
|
||||
///
|
||||
/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
///
|
||||
/// Module Name: common.i
|
||||
///
|
||||
///
|
||||
|
||||
|
||||
#define NESTED_SETUP(i,l,o,r) \
|
||||
alloc loc1=ar##.##pfs,i,l,o,r ; \
|
||||
mov loc0=b0 ;;
|
||||
|
||||
|
||||
#define NESTED_RETURN \
|
||||
mov b0=loc0 ; \
|
||||
mov ar##.##pfs=loc1 ;; \
|
||||
br##.##ret##.##dpnt b0 ;;
|
||||
|
||||
#define MASK(bp,value) (value << bp)
|
||||
|
586
MdeModulePkg/Universal/DebugSupportDxe/Ipf/plDebugSupport.c
Normal file
586
MdeModulePkg/Universal/DebugSupportDxe/Ipf/plDebugSupport.c
Normal file
@@ -0,0 +1,586 @@
|
||||
/**@file
|
||||
IPF specific debug support functions
|
||||
|
||||
Copyright (c) 2006, Intel Corporation
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are licensed and made available under the terms and conditions of the BSD License
|
||||
which accompanies this distribution. The full text of the license may be found at
|
||||
http://opensource.org/licenses/bsd-license.php
|
||||
|
||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
|
||||
**/
|
||||
|
||||
//
|
||||
// private header files
|
||||
//
|
||||
#include "plDebugSupport.h"
|
||||
|
||||
typedef struct {
|
||||
UINT64 low;
|
||||
UINT64 high;
|
||||
} BUNDLE;
|
||||
|
||||
//
|
||||
// number of bundles to swap in ivt
|
||||
//
|
||||
#define NUM_BUNDLES_IN_STUB 5
|
||||
#define NUM_IVT_ENTRIES 64
|
||||
|
||||
typedef struct {
|
||||
BUNDLE OrigBundles[NUM_BUNDLES_IN_STUB];
|
||||
VOID (*RegisteredCallback) ();
|
||||
} IVT_ENTRY;
|
||||
|
||||
STATIC
|
||||
EFI_STATUS
|
||||
ManageIvtEntryTable (
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType,
|
||||
IN BUNDLE NewBundles[4],
|
||||
IN VOID (*NewCallback) ()
|
||||
);
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
HookEntry (
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType,
|
||||
IN BUNDLE NewBundles[4],
|
||||
IN VOID (*NewCallback) ()
|
||||
);
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
UnhookEntry (
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType
|
||||
);
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
ChainExternalInterrupt (
|
||||
IN VOID (*NewCallback) ()
|
||||
);
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
UnchainExternalInterrupt (
|
||||
VOID
|
||||
);
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
GetHandlerEntryPoint (
|
||||
UINTN HandlerIndex,
|
||||
VOID **EntryPoint
|
||||
);
|
||||
|
||||
IVT_ENTRY IvtEntryTable[NUM_IVT_ENTRIES];
|
||||
|
||||
//
|
||||
// IPF context record is overallocated by 512 bytes to guarantee a 512 byte alignment exists
|
||||
// within the buffer and still have a large enough buffer to hold a whole IPF context record.
|
||||
//
|
||||
UINT8 IpfContextBuf[sizeof (EFI_SYSTEM_CONTEXT_IPF) + 512];
|
||||
|
||||
//
|
||||
// The PatchSaveBuffer is used to store the original bundles from the IVT where it is patched
|
||||
// with the common handler.
|
||||
//
|
||||
UINT8 PatchSaveBuffer[0x400];
|
||||
UINTN ExternalInterruptCount;
|
||||
|
||||
EFI_STATUS
|
||||
plInitializeDebugSupportDriver (
|
||||
VOID
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
IPF specific DebugSupport driver initialization. Must be public because it's
|
||||
referenced from DebugSupport.c
|
||||
|
||||
Arguments:
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_SUCCESS
|
||||
|
||||
--*/
|
||||
{
|
||||
SetMem (IvtEntryTable, sizeof (IvtEntryTable), 0);
|
||||
ExternalInterruptCount = 0;
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
plUnloadDebugSupportDriver (
|
||||
IN EFI_HANDLE ImageHandle
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Unload handler that is called during UnloadImage() - deallocates pool memory
|
||||
used by the driver. Must be public because it's referenced from DebugSuport.c
|
||||
|
||||
Arguments:
|
||||
ImageHandle - Image handle
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_STATUS - anything other than EFI_SUCCESS indicates the callback was not registered.
|
||||
|
||||
--*/
|
||||
{
|
||||
EFI_EXCEPTION_TYPE ExceptionType;
|
||||
|
||||
for (ExceptionType = 0; ExceptionType < NUM_IVT_ENTRIES; ExceptionType++) {
|
||||
ManageIvtEntryTable (ExceptionType, NULL, NULL);
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
VOID
|
||||
CommonHandler (
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType,
|
||||
IN EFI_SYSTEM_CONTEXT Context
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
C routine that is called for all registered exceptions. This is the main
|
||||
exception dispatcher. Must be public because it's referenced from AsmFuncs.s.
|
||||
|
||||
Arguments:
|
||||
ExceptionType - Exception Type
|
||||
Context - System Context
|
||||
|
||||
Returns:
|
||||
|
||||
Nothing
|
||||
|
||||
--*/
|
||||
{
|
||||
static BOOLEAN InHandler = FALSE;
|
||||
|
||||
DEBUG_CODE_BEGIN ();
|
||||
if (InHandler) {
|
||||
DEBUG ((EFI_D_INFO, "ERROR: Re-entered debugger!\n"
|
||||
" ExceptionType == %X\n"
|
||||
" Context == %X\n"
|
||||
" Context.SystemContextIpf->CrIip == %X\n"
|
||||
" Context.SystemContextIpf->CrIpsr == %X\n"
|
||||
" InHandler == %X\n",
|
||||
ExceptionType,
|
||||
Context,
|
||||
Context.SystemContextIpf->CrIip,
|
||||
Context.SystemContextIpf->CrIpsr,
|
||||
InHandler));
|
||||
}
|
||||
DEBUG_CODE_END ();
|
||||
|
||||
ASSERT (!InHandler);
|
||||
InHandler = TRUE;
|
||||
if (IvtEntryTable[ExceptionType].RegisteredCallback != NULL) {
|
||||
if (ExceptionType != EXCEPT_IPF_EXTERNAL_INTERRUPT) {
|
||||
IvtEntryTable[ExceptionType].RegisteredCallback (ExceptionType, Context.SystemContextIpf);
|
||||
} else {
|
||||
IvtEntryTable[ExceptionType].RegisteredCallback (Context.SystemContextIpf);
|
||||
}
|
||||
} else {
|
||||
ASSERT (0);
|
||||
}
|
||||
|
||||
InHandler = FALSE;
|
||||
}
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
GetHandlerEntryPoint (
|
||||
UINTN HandlerIndex,
|
||||
VOID **EntryPoint
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Given an integer number, return the physical address of the entry point in the IFT
|
||||
|
||||
Arguments:
|
||||
HandlerIndex - Index of the Handler
|
||||
EntryPoint - IFT Entrypoint
|
||||
|
||||
Returns:
|
||||
|
||||
Nothing
|
||||
|
||||
--*/
|
||||
{
|
||||
UINT8 *TempPtr;
|
||||
|
||||
//
|
||||
// get base address of IVT
|
||||
//
|
||||
TempPtr = GetIva ();
|
||||
|
||||
if (HandlerIndex < 20) {
|
||||
//
|
||||
// first 20 provide 64 bundles per vector
|
||||
//
|
||||
TempPtr += 0x400 * HandlerIndex;
|
||||
} else {
|
||||
//
|
||||
// the rest provide 16 bundles per vector
|
||||
//
|
||||
TempPtr += 0x5000 + 0x100 * (HandlerIndex - 20);
|
||||
}
|
||||
|
||||
*EntryPoint = (VOID *) TempPtr;
|
||||
}
|
||||
|
||||
STATIC
|
||||
EFI_STATUS
|
||||
ManageIvtEntryTable (
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType,
|
||||
IN BUNDLE NewBundles[NUM_BUNDLES_IN_STUB],
|
||||
IN VOID (*NewCallback) ()
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
This is the worker function that installs and removes all handlers
|
||||
|
||||
Arguments:
|
||||
ExceptionType - Exception Type
|
||||
NewBundles - New Boundles
|
||||
NewCallback - New Callback
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_STATUS - any return other than EFI_SUCCESS indicates the request was not
|
||||
satisfied.
|
||||
EFI_ALEADY_STARTED - Ivt already hooked.
|
||||
|
||||
--*/
|
||||
{
|
||||
BUNDLE *B0Ptr;
|
||||
UINT64 InterruptFlags;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
//
|
||||
// Get address of bundle 0
|
||||
//
|
||||
GetHandlerEntryPoint (ExceptionType, (VOID **) &B0Ptr);
|
||||
|
||||
if (IvtEntryTable[ExceptionType].RegisteredCallback != NULL) {
|
||||
//
|
||||
// we've already installed to this vector
|
||||
//
|
||||
if (NewCallback != NULL) {
|
||||
//
|
||||
// if the input handler is non-null, error
|
||||
//
|
||||
return EFI_ALREADY_STARTED;
|
||||
} else {
|
||||
//
|
||||
// else remove the previously installed handler
|
||||
//
|
||||
OldTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);
|
||||
InterruptFlags = ProgramInterruptFlags (DISABLE_INTERRUPTS);
|
||||
if (ExceptionType == EXCEPT_IPF_EXTERNAL_INTERRUPT) {
|
||||
UnchainExternalInterrupt ();
|
||||
} else {
|
||||
UnhookEntry (ExceptionType);
|
||||
}
|
||||
|
||||
ProgramInterruptFlags (InterruptFlags);
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
//
|
||||
// re-init IvtEntryTable
|
||||
//
|
||||
SetMem (&IvtEntryTable[ExceptionType], sizeof (IVT_ENTRY), 0);
|
||||
}
|
||||
} else {
|
||||
//
|
||||
// no user handler installed on this vector
|
||||
//
|
||||
if (NewCallback != NULL) {
|
||||
OldTpl = gBS->RaiseTPL (TPL_HIGH_LEVEL);
|
||||
InterruptFlags = ProgramInterruptFlags (DISABLE_INTERRUPTS);
|
||||
if (ExceptionType == EXCEPT_IPF_EXTERNAL_INTERRUPT) {
|
||||
ChainExternalInterrupt (NewCallback);
|
||||
} else {
|
||||
HookEntry (ExceptionType, NewBundles, NewCallback);
|
||||
}
|
||||
|
||||
ProgramInterruptFlags (InterruptFlags);
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
}
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
HookEntry (
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType,
|
||||
IN BUNDLE NewBundles[4],
|
||||
IN VOID (*NewCallback) ()
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Saves original IVT contents and inserts a few new bundles which are fixed up
|
||||
to store the ExceptionType and then call the common handler.
|
||||
|
||||
Arguments:
|
||||
ExceptionType - Exception Type
|
||||
NewBundles - New Boundles
|
||||
NewCallback - New Callback
|
||||
|
||||
Returns:
|
||||
|
||||
Nothing
|
||||
|
||||
--*/
|
||||
{
|
||||
BUNDLE *FixupBundle;
|
||||
BUNDLE *B0Ptr;
|
||||
|
||||
//
|
||||
// Get address of bundle 0
|
||||
//
|
||||
GetHandlerEntryPoint (ExceptionType, (VOID **) &B0Ptr);
|
||||
|
||||
//
|
||||
// copy original bundles from IVT to IvtEntryTable so we can restore them later
|
||||
//
|
||||
CopyMem (
|
||||
IvtEntryTable[ExceptionType].OrigBundles,
|
||||
B0Ptr,
|
||||
sizeof (BUNDLE) * NUM_BUNDLES_IN_STUB
|
||||
);
|
||||
//
|
||||
// insert new B0
|
||||
//
|
||||
CopyMem (B0Ptr, NewBundles, sizeof (BUNDLE) * NUM_BUNDLES_IN_STUB);
|
||||
|
||||
//
|
||||
// fixup IVT entry so it stores its index and whether or not to chain...
|
||||
//
|
||||
FixupBundle = B0Ptr + 2;
|
||||
FixupBundle->high |= ExceptionType << 36;
|
||||
|
||||
InstructionCacheFlush (B0Ptr, 5);
|
||||
IvtEntryTable[ExceptionType].RegisteredCallback = NewCallback;
|
||||
}
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
UnhookEntry (
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Restores original IVT contents when unregistering a callback function
|
||||
|
||||
Arguments:
|
||||
ExceptionType - Exception Type
|
||||
NewBundles - New Boundles
|
||||
NewCallback - New Callback
|
||||
|
||||
Returns:
|
||||
|
||||
Nothing
|
||||
|
||||
--*/
|
||||
{
|
||||
BUNDLE *B0Ptr;
|
||||
|
||||
//
|
||||
// Get address of bundle 0
|
||||
//
|
||||
GetHandlerEntryPoint (ExceptionType, (VOID **) &B0Ptr);
|
||||
//
|
||||
// restore original bundles in IVT
|
||||
//
|
||||
CopyMem (
|
||||
B0Ptr,
|
||||
IvtEntryTable[ExceptionType].OrigBundles,
|
||||
sizeof (BUNDLE) * NUM_BUNDLES_IN_STUB
|
||||
);
|
||||
InstructionCacheFlush (B0Ptr, 5);
|
||||
}
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
ChainExternalInterrupt (
|
||||
IN VOID (*NewCallback) ()
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Sets up cache flush and calls assembly function to chain external interrupt.
|
||||
Records new callback in IvtEntryTable.
|
||||
|
||||
Arguments:
|
||||
NewCallback - New Callback
|
||||
|
||||
Returns:
|
||||
|
||||
Nothing
|
||||
|
||||
--*/
|
||||
{
|
||||
VOID *Start;
|
||||
|
||||
Start = (VOID *) ((UINT8 *) GetIva () + 0x400 * EXCEPT_IPF_EXTERNAL_INTERRUPT + 0x400);
|
||||
IvtEntryTable[EXCEPT_IPF_EXTERNAL_INTERRUPT].RegisteredCallback = NewCallback;
|
||||
ChainHandler ();
|
||||
InstructionCacheFlush (Start, 0x400);
|
||||
}
|
||||
|
||||
STATIC
|
||||
VOID
|
||||
UnchainExternalInterrupt (
|
||||
VOID
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Sets up cache flush and calls assembly function to restore external interrupt.
|
||||
Removes registered callback from IvtEntryTable.
|
||||
|
||||
Arguments:
|
||||
Nothing
|
||||
|
||||
Returns:
|
||||
|
||||
Nothing
|
||||
|
||||
--*/
|
||||
{
|
||||
VOID *Start;
|
||||
|
||||
Start = (VOID *) ((UINT8 *) GetIva () + 0x400 * EXCEPT_IPF_EXTERNAL_INTERRUPT + 0x400);
|
||||
UnchainHandler ();
|
||||
InstructionCacheFlush (Start, 0x400);
|
||||
IvtEntryTable[EXCEPT_IPF_EXTERNAL_INTERRUPT].RegisteredCallback = NULL;
|
||||
}
|
||||
|
||||
//
|
||||
// The rest of the functions in this file are all member functions for the
|
||||
// DebugSupport protocol
|
||||
//
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
GetMaximumProcessorIndex (
|
||||
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||||
OUT UINTN *MaxProcessorIndex
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description: This is a DebugSupport protocol member function. Hard
|
||||
coded to support only 1 processor for now.
|
||||
|
||||
Arguments:
|
||||
This - The DebugSupport instance
|
||||
MaxProcessorIndex - The maximuim supported processor index
|
||||
|
||||
Returns:
|
||||
Always returns EFI_SUCCESS with *MaxProcessorIndex set to 0
|
||||
|
||||
--*/
|
||||
{
|
||||
*MaxProcessorIndex = 0;
|
||||
return (EFI_SUCCESS);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
RegisterPeriodicCallback (
|
||||
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||||
IN UINTN ProcessorIndex,
|
||||
IN EFI_PERIODIC_CALLBACK NewPeriodicCallback
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
DebugSupport protocol member function
|
||||
|
||||
Arguments:
|
||||
This - The DebugSupport instance
|
||||
ProcessorIndex - Which processor the callback applies to.
|
||||
PeriodicCallback - Callback function
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_STATUS - anything other than EFI_SUCCESS indicates the callback was not registered.
|
||||
|
||||
--*/
|
||||
{
|
||||
return ManageIvtEntryTable (EXCEPT_IPF_EXTERNAL_INTERRUPT, NULL, NewPeriodicCallback);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
RegisterExceptionCallback (
|
||||
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||||
IN UINTN ProcessorIndex,
|
||||
IN EFI_EXCEPTION_CALLBACK NewCallback,
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
DebugSupport protocol member function
|
||||
|
||||
Arguments:
|
||||
This - The DebugSupport instance
|
||||
ProcessorIndex - Which processor the callback applies to.
|
||||
NewCallback - Callback function
|
||||
ExceptionType - Which exception to hook
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_STATUS - anything other than EFI_SUCCESS indicates the callback was not registered.
|
||||
|
||||
--*/
|
||||
{
|
||||
return ManageIvtEntryTable (
|
||||
ExceptionType,
|
||||
(BUNDLE *) ((EFI_PLABEL *) HookStub)->EntryPoint,
|
||||
NewCallback
|
||||
);
|
||||
}
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
InvalidateInstructionCache (
|
||||
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||||
IN UINTN ProcessorIndex,
|
||||
IN VOID *Start,
|
||||
IN UINTN Length
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
DebugSupport protocol member function. Calls assembly routine to flush cache.
|
||||
|
||||
Arguments:
|
||||
This - The DebugSupport instance
|
||||
ProcessorIndex - Which processor the callback applies to.
|
||||
Start - Physical base of the memory range to be invalidated
|
||||
Length - mininum number of bytes in instruction cache to invalidate
|
||||
|
||||
Returns:
|
||||
EFI_SUCCESS
|
||||
|
||||
--*/
|
||||
{
|
||||
InstructionCacheFlush (Start, Length);
|
||||
return (EFI_SUCCESS);
|
||||
}
|
332
MdeModulePkg/Universal/DebugSupportDxe/Ipf/plDebugSupport.h
Normal file
332
MdeModulePkg/Universal/DebugSupportDxe/Ipf/plDebugSupport.h
Normal file
@@ -0,0 +1,332 @@
|
||||
/**@file
|
||||
IPF specific debugsupport types, macros, and definitions.
|
||||
|
||||
Copyright (c) 2004 - 2006 Intel Corporation
|
||||
All rights reserved. This program and the accompanying materials
|
||||
are licensed and made available under the terms and conditions of the BSD License
|
||||
which accompanies this distribution. The full text of the license may be found at
|
||||
http://opensource.org/licenses/bsd-license.php
|
||||
|
||||
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
||||
|
||||
**/
|
||||
|
||||
#ifndef _PLDEBUG_SUPPORT_H
|
||||
#define _PLDEBUG_SUPPORT_H
|
||||
|
||||
|
||||
#include <Uefi.h>
|
||||
|
||||
#include <Protocol/DebugSupport.h>
|
||||
#include <Protocol/LoadedImage.h>
|
||||
|
||||
#include <Library/DebugLib.h>
|
||||
#include <Library/UefiDriverEntryPoint.h>
|
||||
#include <Library/BaseMemoryLib.h>
|
||||
#include <Library/MemoryAllocationLib.h>
|
||||
#include <Library/UefiBootServicesTableLib.h>
|
||||
#include <Library/BaseLib.h>
|
||||
#include <Library/PcdLib.h>
|
||||
|
||||
#define DISABLE_INTERRUPTS 0UL
|
||||
|
||||
//
|
||||
// The remaining definitions comprise the protocol members.
|
||||
//
|
||||
#define EFI_ISA IsaIpf
|
||||
|
||||
//
|
||||
// processor specific functions that must be public
|
||||
//
|
||||
EFI_STATUS
|
||||
plInitializeDebugSupportDriver (
|
||||
VOID
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
IPF specific DebugSupport driver initialization. Must be public because it's
|
||||
referenced from DebugSupport.c
|
||||
|
||||
Arguments:
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_SUCCESS
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
plUnloadDebugSupportDriver (
|
||||
IN EFI_HANDLE ImageHandle
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
Unload handler that is called during UnloadImage() - deallocates pool memory
|
||||
used by the driver. Must be public because it's referenced from DebugSuport.c
|
||||
|
||||
Arguments:
|
||||
ImageHandle - Image handle
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_STATUS - anything other than EFI_SUCCESS indicates the callback was not registered.
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
//
|
||||
// Assembly worker functions and data referenced from plDebugSupport.c
|
||||
//
|
||||
VOID *
|
||||
GetIva (
|
||||
VOID
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
C callable function to obtain the current value of IVA
|
||||
|
||||
Arguments:
|
||||
|
||||
None
|
||||
|
||||
Returns:
|
||||
|
||||
Current value if IVA
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
VOID
|
||||
HookStub (
|
||||
VOID
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
HookStub will be copied from it's loaded location into the IVT when
|
||||
an IVT entry is hooked.
|
||||
|
||||
Arguments:
|
||||
|
||||
None
|
||||
|
||||
Returns:
|
||||
|
||||
None
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
VOID
|
||||
ChainHandler (
|
||||
VOID
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Chains an interrupt handler
|
||||
|
||||
Arguments:
|
||||
|
||||
None
|
||||
|
||||
Returns:
|
||||
|
||||
None
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
VOID
|
||||
UnchainHandler (
|
||||
VOID
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Unchains an interrupt handler
|
||||
|
||||
Arguments:
|
||||
|
||||
None
|
||||
|
||||
Returns:
|
||||
|
||||
None
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
UINT64
|
||||
ProgramInterruptFlags (
|
||||
IN UINT64 NewInterruptState
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
C callable function to enable/disable interrupts
|
||||
|
||||
Arguments:
|
||||
|
||||
NewInterruptState - New Interrupt State
|
||||
|
||||
Returns:
|
||||
|
||||
Previous state of psr.ic
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
VOID
|
||||
InstructionCacheFlush (
|
||||
IN VOID *StartAddress,
|
||||
IN UINTN SizeInBytes
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
|
||||
Flushes instruction cache for specified number of bytes
|
||||
|
||||
Arguments:
|
||||
|
||||
StartAddress - Cache Start Address
|
||||
SizeInBytes - Cache Size
|
||||
|
||||
Returns:
|
||||
|
||||
None
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
GetMaximumProcessorIndex (
|
||||
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||||
OUT UINTN *MaxProcessorIndex
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description: This is a DebugSupport protocol member function. Hard
|
||||
coded to support only 1 processor for now.
|
||||
|
||||
Arguments:
|
||||
This - The DebugSupport instance
|
||||
MaxProcessorIndex - The maximuim supported processor index
|
||||
|
||||
Returns:
|
||||
Always returns EFI_SUCCESS with *MaxProcessorIndex set to 0
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
RegisterPeriodicCallback (
|
||||
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||||
IN UINTN ProcessorIndex,
|
||||
IN EFI_PERIODIC_CALLBACK PeriodicCallback
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
DebugSupport protocol member function
|
||||
|
||||
Arguments:
|
||||
This - The DebugSupport instance
|
||||
ProcessorIndex - Which processor the callback applies to.
|
||||
PeriodicCallback - Callback function
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_STATUS - anything other than EFI_SUCCESS indicates the callback was not registered.
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
RegisterExceptionCallback (
|
||||
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||||
IN UINTN ProcessorIndex,
|
||||
IN EFI_EXCEPTION_CALLBACK NewHandler,
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
DebugSupport protocol member function
|
||||
|
||||
Arguments:
|
||||
This - The DebugSupport instance
|
||||
ProcessorIndex - Which processor the callback applies to.
|
||||
NewCallback - Callback function
|
||||
ExceptionType - Which exception to hook
|
||||
|
||||
Returns:
|
||||
|
||||
EFI_STATUS - anything other than EFI_SUCCESS indicates the callback was not registered.
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
InvalidateInstructionCache (
|
||||
IN EFI_DEBUG_SUPPORT_PROTOCOL *This,
|
||||
IN UINTN ProcessorIndex,
|
||||
IN VOID *Start,
|
||||
IN UINTN Length
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
DebugSupport protocol member function. Calls assembly routine to flush cache.
|
||||
|
||||
Arguments:
|
||||
This - The DebugSupport instance
|
||||
ProcessorIndex - Which processor the callback applies to.
|
||||
Start - Physical base of the memory range to be invalidated
|
||||
Length - mininum number of bytes in instruction cache to invalidate
|
||||
|
||||
Returns:
|
||||
EFI_SUCCESS
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
VOID
|
||||
CommonHandler (
|
||||
IN EFI_EXCEPTION_TYPE ExceptionType,
|
||||
IN EFI_SYSTEM_CONTEXT Context
|
||||
)
|
||||
/*++
|
||||
|
||||
Routine Description:
|
||||
C routine that is called for all registered exceptions. This is the main
|
||||
exception dispatcher. Must be public because it's referenced from AsmFuncs.s.
|
||||
|
||||
Arguments:
|
||||
ExceptionType - Exception Type
|
||||
Context - System Context
|
||||
|
||||
Returns:
|
||||
|
||||
Nothing
|
||||
|
||||
--*/
|
||||
;
|
||||
|
||||
#endif
|
Reference in New Issue
Block a user